User`s manual - Intesis Software, S.L.
Contents
1. Compressor 1 discharge 4212 4213 R temperature Td1 2 x1 C Compressor 2 discharge 4213 4214 R temperature Td2 2 x1 C Compressor 3 discharge 4214 4215 R temperature Td3 2 x1 C 4215 4216 R A ee TS 2 4216 4217 R uar temperature 1 TE1 2 4217 4218 R eee temperature 2 TE2 1 4218 4219 R Temperature at liquid side TL 2 4219 4220 R Pae aeni temperature TO 1 4220 4221 San ie gee ele 2 4221 4222 eee 2 4222 4223 R Ue 1 current I1 1 4223 4224 R S 2 current 12 2 4224 4225 R o 3 current I3 2 4225 4226 R Di current IFan 2 4226 4227 R E revolutions 2 4227 4228 R Sn revolutions 2 4228 4229 R S ee revolutions 2 4229 4230 Bia a 2 Compressor IPDU 1 heat sink 4230 4231 R temperature 2 x1 C Compressor IPDU 2 heat sink 4231 4232 R temperature 2 x1 C Intesis Software S L All rights reserved l URL http www intesis com 13 23 This information is subject to change without notice Email info intesis com ntesisy tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng Compressor IPDU 3 heat sink 4232 4233 R temperature 2 x1 C Outdoor fan IPDU heat sink 4233 4234 R temperature 2 x1 0C Heating cooling recovery 0 Normal 1 Recovery controlled Pressure release 5 4235 4236 R 0 Normal 2 1 Recovery controlled Discharge temperature release 5 4236 4237 R 0 Normal 2 12. Recovery controlled Follower unit release U2 U2 U4 4237 4238 R outdoor units 5 2 0 Normal 1 Recovery controlled Outdoor unit horsepower x1HP 4238 4239 R 3 3 4 Advanced registers for Outdoor Unit status on RAV systems These registers are only available when the indoor unit type selected on S1 is different from default Please check section 3 4 for more information Register Addr Register Addr n TEA protocol address PLC address RAW Ea ecuiption Priority 4400 4401 ales ee 4410 4411 Rp E P evaporator F 4411 4412 R TO Pen ee outdoor i Compressor discharge 4412 4413 R temperature 2 n x1 C 4413 4414 R ree Aceh TS gt 4414 4415 R Tanpere thyristor THS 0 4415 4416 R compe enr current i 4416 4417 R Temper at liquid side TL 2 4417 4418 R eat aed revolutions gt 4418 4419 R See lower Fan R 4419 4420 R aae upper Fan 0 4420 4221 R Running hair compressor P Intesis Sorte cies Aa reserved i t URL http www intesis com 14 23 his information is subject to change without notice Email inio intesis com ntes IS tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 3 5 Advanced registers for Indoor Unit Type and Refresh Time adjustment These registers are only available when the indoor unit type selec
3. line It performs 8N2 8Ni compatible communication 8 data bits no parity and 2 stop bit with several available baud rates 2400 bps 9600 bps default 19200 bps and 57600 bps 3 2 Modbus Registers for Standard Functions All registers are of type 16 bit signed Holding Register in standard ModBus big endian notation 3 2 1 Control and status registers Register Addr Register Addr Sant R W Description protocol address PLC address p AC unit On Off 0 1 R W 0 Off 1 On AC unit Mode 0 Auto 1 2 R W 1 Heat 2 Dry 3 Fan 4 Cool AC unit Fan Speed 0 Auto 2 3 R W 1 Low a 2 Mid 3 High AC unit Vane Position 0 Vane Off Stand by 1 POS1 Horizontal 3 4 R W 2 POS2 Horizontal 3 POS3 Med 4 POS4 Vert 5 POS5 Vert 10 SWING AC unit Temperature Setpoint C F 4 5 R W C x10 C F See section 3 2 3 below AC unit Ambient Temperature C F 5 6 R C x10 C F See section 3 2 3 below Window Contact 6 7 R W 0 Closed 1 Open Modbus Command Disablement a 0 Modbus Commands enabled 7 8 R W default 1 Modbus Commands disabled device in monitor only mode Magnitude for this register can be adjusted to Celsius x 1 C Celsius x 10 C default or Fahrenheit through DIP switches 3 Value of this register is stored in non volatile memory EEPROM Intesis Software S L All rights reserv
4. to signal its different possible operational states In this section their meaning is explained L1 yellow Operation ON OFF Meaning Blinking 500 ms 500 ms Communication error Flashing 100 ms 1900 ms Normal operation configured and working L1 yellow amp L2 red Operation ON OFF Meaning Pulse 5 sec s Device start up Alternate blinking 500 ms 500 ms EEPROM failure 3 7 EIA485 bus mechanism Termination resistors and Fail Safe Biasing EIA485 bus requires a 120Q terminator resistor at each end of the bus to avoid signal reflections In order to prevent fail status detections by the receivers listening the bus when all the transmitters outputs are in three state high impedance it is also required a fail safe biasing mechanism This mechanism provides a safe status a correct voltage level in the bus when all the transmitters outputs are in three state The TO RC MBS 1 device includes an on board terminator resistor of 120Q that can be connected to the EIA485 bus by using DIP switch P5 see below Fail safe biasing of the EIA485 bus must only be supplied by one of the devices connected to the bus The device providing fail safe biasing or terminator resistor should be the one connected at one end of the bus At the other end of the bus if there is also a TO RC MBS 1 device select the 120Q terminator resistor through DIP switch P5 or if there is a master device not p
5. 1 ON 1234 AC Unit IntesisBox TO RC MBS 1 EIA485 A B ON 12345678 ON_1234 DOOOO000 oun S3 S4 S3 S4 The following table applies for configuration of the interface through these DIP switches S1 Indoor Unit type 5 Switches ee Decimal value noah Description IU type not defined default RAV VRF SMMS VRF SHRM Table 3 1 Indoor Unit Type S3 Modbus protocol Slave address and baudrate Switches Decimal value 12345678 Description XXXXXX00 2400bps XXXXXX10 4800bps XXXXXX01 9600bps default value XXXXXX11 19200bps Table 3 2 Modbus baud rate Intesis Software S L All rights reserved URL http www intesis com 16 23 This information is subject to change without notice ntes i S in Email info intesis com B tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng Switches Switches Switches Switches 1234567 1234567 1234567 1234567 m 2 3 4 5 6 7 8 9 Table 3 3 Modbus Slave address S4 Other Degrees Decidegress x10 temperature magnitude C F and EIA485 termination resistor Decimal Switches D EE value 1234 pasate ase Temperature values in Modbus register are represented
6. 4 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 3 Modbus Registers for Advanced Functions 3 3 1 Advanced registers for Indoor Unit status These registers are only available when the indoor unit type selected on S1 is different from default Please check section 3 4 for more information Register Addr Register Addr inn Deere protocol address PLC address RAW Besen prion eony IU exist IU 1 25 4000 IU 1 25 4001 R 0 Doesn t exist 0 1 Exist IU address IU 1 25 4001 IU 1 25 4002 R MSB OU address LSB IU 0 address IU 1 25 4002 IU 1 25 4003 R W ea ie 1 IU defrost IU 1 25 4003 IU 1 25 4004 R 0 Off 1 1 On IU filter alarm IU 1 25 4004 IU 1 25 4005 R 0 No alarm 1 1 Alarm IU thermo ON IU 1 25 4005 IU 1 25 4006 R 0 Cool 1 1 Heat Room temperature During IU 1 25 4010 IU 1 25 4011 R Control 2 x1 C Room temperature Remote IU 1 25 4011 IU 1 25 4012 R Controller 2 x1 C Indoor suction temperature IU 1 25 4012 IU 1 25 4013 R TA 1 x1 C U 1 25 4013 lau R mar oe AREE re 1 x IU 1 25 4014 IU 1 25 4015 R_ Indoor eens TEA 1 Xx 1U 1 25 4015 IU 1 25 4016 R M
7. 4200 4201 R ee duty i 4210 4211 R E eal 1 Discharge Temp gt 4211 4212 R o cca 2 Discharge Temp 3 4212 4213 R Pd TEE Sensor 4213 4214 R Ps 3 Seal Sensor 5 4214 4215 R ITS pi Temp p x 4215 4216 Rp TE aed Heat Exchanger Temp g 4216 4217 Rp ITE S a ai xX 4217 4218 R TO Een ambient temperature i a xX 4218 4219 R TU a Ucar Saturated Temp gt n xX 4219 4220 R ee 1 Current i 4220 4211 R A 2 Current p 4221 4222 R PMV1 i 5 Compressor 1 2 4223 4224 R 0 Off 1 On 4224 4225 R oa i Mode 3 4225 4226 R a oi Size 5 T Intesis Sonware ave All rignis reserved i t x URL http www intesis com 12 23 his information is subject to change without notice Email info intesis com n esisg tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 3 3 Advanced registers for Outdoor Unit status on VRF SMMS systems These registers are only available when the indoor unit type selected on S1 is different from default Please check section 3 4 for more information Register Addr Register Addr ee pee protocol address PLC address R W Description Priority 4200 4201 R a ce duty 1 High pressure sensor detention 4210 4211 R pressure Pd 2 X100 MPa Low pressure sensor detention 4211 4212 R pressure Ps 2 X100 MPa
8. IntesisBox TO RC MBS 1 v 2 0 MODBUS RTU EIA485 Interface for Toshiba air conditioners from the Digital Inverter amp VRF lines User Manual Issue Date 10 2014 Order Codes TO RC MBS 1 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng Intesis Software S L 2014 All Rights Reserved Information in this document is subject to change without notice No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or any means electronic or mechanical including photocopying and recording for any purpose other than the purchaser s personal use without the written permission of Intesis Software S L Intesis Software S L Mila i Fontanals 1 bis 08700 Igualada Spain TRADEMARKS All trademarks and tradenames used in this document are acknowledged to be the copyright of their respective holders Intesis Software S L All rights reserved s URL http www intesis com 2 23 This information is subject to change without notice n es l S ra Email info intesis com tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng INDEX 1 PRESCIHEACION ccs siincsiasatacayareissteaaaaea nas ann anna sea aad agus aicnnaiend Haina Shen slush eS RRA MARR 4 2 Connec TONio ened Ravine vend tare rink AEE E AERE veered Vane ean rece ei ad Mactan dak Mee
9. calculate the required setpoint so to apply the demand desired by the user following the example above if TO RC MBS 1 reads an ambient temperature register 6 of 24 C in the indoor unit it will apply a final setpoint of 24 C 2 C 26 C o From this point on whenever TO RC MBS 1 detects that the ambient temperature reported by the indoor unit changes register 6 it will also change the required setpoint accordingly in order to keep the demand required by the user at any time following the example above if TO RC MBS 1 receives a new value for temperature coming from the indoor unit pf 25 C TO RC MBS 1 will automatically adjust the setpoint required to the AC indoor unit to 25 C 29 C 27 C o In general TO RC MBS 1 is constantly applying the following formula Sac Su Tyan Tac Where Sac setpoint actually applied to the indoor unit S setpoint written at modbus side TO RC MBS 1 register 5 o Intesis Software S L All rights reserved is URL http www intesis com 8 23 his information is subject to change without notice n tes il S om Email info intesis com IntesisBox is a registered trademark of Intesis Software SL b tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng T external temperature reference written at Modbus side PA RC MBS 1 register 23 Tac ambient temperature that the indoor unit is using as reference of its own control l
10. ctual setpoint being used by the indoor unit this is also the setpoint that will show an additional remote controller from Toshiba in the AB bus Additionally note that temperature values all these three registers are expressed according to the temperature format configured through its onboard DIP Switches See 3 4 Intesis Software S L All rights reserved is URL http www intesis com 9 23 This information is subject to change without notice ntes is in Email info intesis com IntesisBox is a registered trademark of Intesis Software SL b tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng DIP switch Configuration Interface Following formats are possible e Celsius value Value in Modbus register is the temperature value in Celsius i e a value 22 in the Modbus register must be interpreted as 22 C e Decicelsius value Value in Modbus register is the temperature value in decicelsius i e a value 220 in the Modbus register must be interpreted as 22 0 C e Fahrenheit value Value in Modbus register is the temperature value in Fahrenheit i e a value 72 in the Modbus register must be interpreted as 72 F 22 C Intesis Software S L All rights reserved URL http www intesis com 10 23 This information is subject to change without notice Intes IS t Email info intesis com IntesisBox is a registered trademark of Intesis Software SL tel 3
11. door E eI 1 Indoor discharge temperature IU 1 25 4016 IU 1 25 4017 R TF ec 0 z X Only for VRF systems Revolutions indoor fan IU 1 25 4017 IU 1 25 4018 R RPS 0 Only for RAV systems Indoor PMV opening IU 1 25 4018 IU 1 25 4019 R x1 x10 Pulses 1 Only for VRF systems IU 1 25 4019 IU 1 25 4020 R RUnning hours indoor fan 0 oe Sone ST AIl tights reserved l t k URL http www intesis com 11 23 NIS Information Is subject to change without notice Email info intesis com n CSiSg tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng x100 hours Only for RAV systems Time filtersign Only for RAV systems IU 1 25 4020 IU 1 25 4021 R Hours 0 Only for RAV systems Estimated supply air IU 1 25 4021 IU 1 25 4022 R E 0 X NOTE IU stands for the Indoor Unit index 1 8 3 3 2 Advanced registers for Outdoor Unit status on VRF SHRM systems These registers are only available when the indoor unit type selected on S1 is different from default Please check section 3 4 for more information Register Addr Register Addr a at R W Description Priori protocol address PLC address R W Descriptio ority
12. e bps 2400 14 15 R 4800 9600 19200 15 16 R Device s Modbus slave address 1 63 21 22 R Max number of fan speeds 3 fixed value 49 50 R Device Identification TO RC MBS 1 0x1500 5376d 50 51 R Software version 4 Magnitude for this register can be adjusted to Celsius x 1 C Celsius x 10 C default or Fahrenheit through DIP switches S4 o Intesis Software S L All rights reserved URL http www intesis com 7 23 his information is subject to change without notice ntes i Ss in Email info intesis com GB ta 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 2 3 Considerations on TO RC MBS 1 temperature registers TO RC MBS 1 implements four registers containing temperature values e AC unit Temperature Setpoint R W register 5 in PLC addressing This is the adjustable temperature setpoint meant to be required by the user This register can be read Modbus function 3 or 4 or written modbus functions 5 or 16 A remote controller connected to the AB bus of the Toshiba indoor unit will report the same temperature setpoint value as this register only when no AC unit external reference is provided from TO RC MBS 1 see detail for register 23 below e AC unit ambient temperature temperature R register 6 in PLC addressing This register reports the temperature that is act
13. e EEA 5 2 1 Connect to the AC indoor unit ccc Ennis 5 2 2 Connection to the EIA485 DUS EEE nes 5 3 Modbus Interface Specification cccccceccece ese eee sees ee eee ease eens eee bi EE a 6 3 1 Modbus physical layer EERE EERE EERIE EES 6 3 2 Modbus Registers for Standard FUNCTIONS cceccece eee e eect eens teen eee ee teat eaten eens 6 3 2 1 Control and Status registerSiccte cscvien read trinii aE AEEA E Meri a ts 6 3 2 2 Configuration Registers cece eee nena Ea Nawi 7 3 2 3 Considerations on TO RC MBS 1 temperature regiSters cceeeeeee eens teens 8 3 3 Modbus Registers for Advanced FUNCTIONS ccceceeee eee eee e eens ee teeta tenet ens 11 3 3 1 Advanced registers for Indoor Unit statuS s sssssssssssrrrrrssrrrrrrrrssrrrrrrnss 11 3 3 2 Advanced registers for Outdoor Unit status on VRF SHRM systems 12 3 3 3 Advanced registers for Outdoor Unit status on VRF SMMS systemsS 0055 13 3 3 4 Advanced registers for Outdoor Unit status on RAV SYStEMS sses 14 3 3 5 Advanced registers for Indoor Unit Type and Refresh Time adjustment 15 3 4 DIP switch Configuration Interface cceeceee eect eee eee eee eee eee eee eae ee ea ee ee 16 3 5 Implemented FUNCTIONS UU Ents 17 3 6 Device LED indicator wiciiicicicciastinctiawciestias devii Eo E VERENE 18 3 7 EIA485 bus Termination resistors and Fail Safe Biasing mechanism 18 4 Sp cifi a tioN S smiss
14. e bus length IMPORTANT In case of having a Toshiba s Control Panel not mandatory DIP switch of the Toshiba Control Panel should be always set into Follower position are ia Function TL Toshiba s remote controller as Follower Back view of the Toshiba s Control Panel 2 2 Connection to the EIA485 bus Connect the EIA485 bus wires to the plug in terminal block the one of two poles of TO RC MBS 1 respect the polarity on this connection A and B Respect the maximum distance of 1200 meters for the bus no loop or star topologies are allowed for EIA485 bus a terminator resistor of 120 Q must be present at each end of the bus to avoid signal reflections and also a fail safe biasing mechanism see section 3 7 for more details 1 In some models the AB connector is not present Find the Control Panel remote controller bus and connect the cable coming from the IntesisBox gateway into these cables as if they were the AB connector Intesis Software S L All rights reserved URL http www intesis com 5 23 This information is subject to change without notice Intes is r Email info intesis com IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines 3 Modbus Interface Specification 3 1 Modbus physical layer User s Manual r2 0 eng TO RC MBS 1 implements a MODBUS RTU slave interface to be connected to an EIA485
15. ed This information is subject to change without notice IntesisBox is a registered trademark of Intesis Software SL URL http www intesis com 6 23 ntes is E Email info intesis com tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng Remote Command Disablement 8 9 R W 0 Remote Command enabled 1 Remote Command disabled AC unit Operation Time 9 10 R W 0 65535 hours Counts the time the AC unit is in On state AC unit Alarm Status 10 11 R 0 No alarm condition a 1 Alarm condition 11 12 R Error Code Indoor unit ambient temperature from external sensor at Modbus side 22 23 R W 32768 Default value No temperature is being provided from an external sensor Any other C x10 C F See section 3 2 3 below Current setpoint in AC indoor unit C x10 C F This read only register shows the setpoint of the indoor unit when 23 24 R register indoor unit ambient temperature from external sensor 23 in PLC addressing is not used value for register 24 and register 5 will be the same See section 3 2 3 below 3 2 2 Configuration Registers Register Addr Register Addr van protocol address PLC address R W Description 12 13 R W Reserved Open Window switch off timeout 13 14 R W 0 30 minutes Factory setting 30 minutes Modbus RTU baud rat
16. erved URL http www intesis com 19 23 his information is subject to change without notice ntes is in Email info intesis com B tel 434 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 6 Error Codes Error Enronin Error Code sella category Error Description Oo n a TO RC MBS 1 Duplicated setting of control address Central control number of units mis matched Incorrect wiring of central control Incorrect connection of central control 25 26 System Controller fault error in transmitting comms C05 A ae nal i door or o door unit not working wiring fault 06 System Controller fault error in receiving comms signal C i door or o door unit not working wiring fault CN1 not connected correctly Saia a ep Configuration change detected by adaptor Remote control detecting error from indoor unit Address not set Auto address failed Check interconnecting wiring etc Re address system Remote detecting error from indoor unit Indoor unit detecting error from remote Indoor seeing error from outdoor Qty of i d units connected are less than qty set Check all i d units are ON reset turn off all units wait 5min power up Indoor unit detecting error from outdoor unit Error in sending comms signal Outdoor unit detecting error from indoor unit Error in receiving comms signal Outdoor unit detecting erro
17. in degrees x1 default value Temperature values in Modbus register are represented in decidegrees x10 Temperature values in Modbus register are represented in Celsius degrees default value Temperature values in Modbus register are represented in Fahrenheit degrees EIA485 bus without termination resistor default value Internal termination resistor of 120 connected to EIA485 bus Table 3 4 Temperature and termination configuration 3 5 Implemented Functions TO RC MBS 1 implements the following standard MODBUS functions 3 Read Holding Registers 4 Read Input Registers 6 Write Single Register 16 Write Multiple Registers Although this function is allowed the interface does not allow write operations on more than 1 register with the same request this means that length field should always be 1 when using this function for writes Default value Only in the interfaces connected at both ends of the bus must be activated the termination resistor More information in section 3 7 Intesis Software S L All rights reserved is URL http www intesis com 17 23 his information is subject to change without notice ntes is in Email info intesis com GB ta 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 6 Device LED indicator The device includes two LED indicators
18. oop register 6 Whenever TO RC MBS 1 detects a change in any of the values of Su Tu Tac y it will send the new corresponding setpoint Sac to the indoor unit o After startup value for external temperature reference register 23 has value 32768 0x8000 This value means that no external temperature is being provided through TO RC MBS 1 In this scenario setpoint shown or written in register 5 will always have same value as the actual setpoint of the indoor unit o Note that using the external temperature reference register 23 i e writing a value different from 32768 0x8000 in it has following relevant consequences Setpoint reported by any additional remote controller or monitoring device from Toshiba in AB in general will be different from the one entered in register 5 of TO RC MBS 1 since the mechanism above is being applied User will not be able to change setpoint using any remote controller from Toshiba as setpoint of the indoor unit will become exclusively controlled by the mechanism explained above i e the setpoint obtained in that mechanism will always be enforced in the indoor unit e Current setpoint in AC indoor unit R register 24 in PLC addressing As detailed in previous point actual setpoint in the indoor unit and setpoint requested from TO RC MBS 1 might differ when a value in register 23 external temperature reference is put This register always informs of the a
19. ow on ref gas exp valve pipework damage power on each phase inverter pcb control pcb and low compressor current draw Outdoor unit fault Open phase on compressor power supply Outdoor unit fault Compressor discharge temperature too high Comp2 over 111 degC Low on ref gas exp valve pipework damage Outdoor unit fault 4 way valve failure i door temp rises in cooling or fills in heating Check wiring coil pcb output valve operation Ref gas high temp pressure fault heat exch temp high C2 55 60 degC cooling over load sensor fault t URL http www intesis com 22 23 Email info intesis com n es IS E tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng Outdoor unit fan motor fault fan blade jammed check connections does fan turn freely motor resistance 30 40ohm on each pair no fan fault yes pcb fault Outdoor unit fault Compressor overcurrent check winding resistance Inverter failure check internal resistance term HIC amp to UVW 200 300Kohm or more Outdoor unit fault Inverter circuit fault Motor current Detection Circuit MDC fault check comp windings sensors Ci amp TS if ok possible pcb failure Indoor unit fault System controller detected fault on sub indoor unit Simultaneous operation multi control fault Group controller fault TO RC MBS 1 ae the communication of TO RC MBS 1device with the In case you detec
20. p to 63 s AC indoor TO RC MBS 1 i SCADA units PLC DDC BMS HMI Controller etc TO RC MBS 1 reera Intesis Software S L All rights reserved URL http Awww intesis com 4 23 This information is subject to change without notice ra Email info intesis com n es IS tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 2 Connection The interface comes with two plug in terminal blocks of 2 poles for connection to a Modbus RTU EIA485 network and to the Toshiba AB bus aes cel aal eal elton onion Taner on lennon ee 1 I It is not mandatory to have it in the network l 1 Control Panel AC Indoor Unit Internal electronic control board Max 500 m MODBUS RTU EIA485 Bus 2 1 Connect to the AC indoor unit To connect the TO RC MBS 1 interface to the AC indoor unit follow these steps Disconnect mains power from the AC unit Open the front cover of the indoor unit in order to have access to the electronic circuit In the electronic circuit locate the socket connector marked as AB Using a cable connect the interface to AB bus in any point of the bus The AB bus is the bus that connects the AC indoor unit and the wired remote controller is a two wire bus connecting terminals AB of both and has no specific polarity Respect the maximum distance of 500 m for th
21. r from indoor unit Error in sending comms signal duplicated duplicated or IR wireless controller not disabled Indoor unit detecting error from option plug Error in sending comms signal Indoor unit detecting error from option plug Error in receiving comms signal Auto addressing failed Auto address connector CN100 I mane Duplicate adaptor address Host terminal processing failure Addressing and Communication Problems 4C E12 shorted during auto addressing o Intesis Software ae All rights reserved t URL http www intesis com 20 23 his information is subject to change without notice G Email info intesis com ntesisg tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 4D 4 are less than number set Auto addressing failed Number of indoor units connected are more than number set Group control wiring error Main indoor unit not sending signal for sub indoor units Group control wiring error Main indoor unit not receiving E18 i signal for sub indoor units Auto addressing failed No indoor units connected Auto addressing failed Error on sub outdoor unit E29 F04 ui ju le L Auto addressing failed Error on outdoor unit address setting Auto addressing failed Quantity of main and sub outdoor units do not correspond to the number set on main outdoor unit P C B Au
22. roviding internal 120Q terminator resistor connect an external 120Q resistor in the bus terminal block connection of such master device Some Modbus RTU EIA485 master devices can provide also internal 120Q terminator resistor and or fail safe biasing consult the technical documentation of the master device connected to the EIA485 network in every case Intesis Software S L All rights reserved URL http www intesis com 18 23 This information is subject to change without notice ntes l S a Email info intesis com amp tel 434 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 4 Specifications Dimensions 93 x 53 x 58 mm Weight 85g Operating Temperature 0 40 C Stock Temperature 0 40 C Operating Humidity lt 95 RH non condensing Stock Humidity lt 95 RH non condensing Isolation voltage 1000 VDC Isolation resistance 1000 MQ Modbus Media Compatible with Modbus RTU EIA485 networks LED AC Unit Indicator connection DIP Switches EIA485 Port St 5 List of supported AC Unit Types A list of Toshiba indoor unit model references compatible with TO RC MBS 1 and their available features can be found in Toshiba http www intesis com pdf IntesisBox_TO RC xxx 1 Compatibility pdf Intesis Software S L All rights res
23. t an error code not listed contact your nearest Toshiba technical support service Intesis Software S L All rights reserved URL http www intesis com 23 23 This information is subject to change without notice Intes IS cD Email info intesis com IntesisBox is a registered trademark of Intesis Software SL b tel 34 938047134
24. ted on S1 is different from default Please check section 3 4 for more information Register Addr Register Addr protocol address PLC address KANE EScniption Priority Indoor Unit Type 0 Not defined extra signals 4450 4451 R i 0 2 VRF SMMS 3 VRF SHRM 4451 4452 R W bae Adjust _ Refresh Time Adjust This parameter indicates the polling cadence when reading priority signals Priorities are defined as follows and can t be modified 0 Update on start up 1 High priority 2 Low priority The higher the value the fastest the priority signals will update The cadence is defined by 1 One high priority signal and one low priority signal polling 2 Two high priority signals and one low priority signal polling 3 Three high priority signals and one low priority signal polling 4 Four high priority signals and one low priority signal polling Intesis Software S L All rights reserved URL http www intesis com 15 23 SO Intesisp S esser IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng 3 4 DIP switch Configuration Interface All configuration values on TO RC MBS 1 can be written and read from ModBus interface Though some of them can also be setup from its on board DIP switch interface They are DIP switches S1 S3 and S4 on the device in the following location S1 S
25. to addressing failed Sub outdoor unit not receiving comms for main outdoor unit Between units Comms failure with MDC does E31 remain after power is re instated If so replace PCB amp power PCB 5 E F 0 1 2 9 A D F 1 2 3 5 7 F04 6B Fi 4 5 5 5 5 5 5 6 6 6 oO 2 6 6 Sensor Faults 6D F13 86 Hos Compressor Issues 8D H13 95 H21 Compressor Fault Over current Comp3 o Intesis Software S L All rights reserved l t URL http www intesis com 21 23 his information is subject to change without notice in Email info intesis com ntesiS tel 34 938047134 IntesisBox is a registered trademark of Intesis Software SL IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng H27 H31 Incorrect Settings Indoor Unit Problems Intesis Software S L All rights reserved This information is subject to change without notice IntesisBox is a registered trademark of Intesis Software SL Setting Error Indoor outdoor unit type model miss matched 2 or more controllers have been set as priority in one system shown on controllers set as priority 2 or more controllers have been set as priority in one system shown on controllers not set as priority Outdoor unit fault Compressor motor thermal overload over or under voltage Outdoor unit fault Compressor discharge temperature too high Comp1 over 111 C L
26. u eao aer a e E bles bce E O or EEEa TAREE 19 5 List of Supported AC Unit TypeS s s sssssssrssssserrsrrssssrrsrnnesserrnnnnensrrrnnnssnrsrrnnnnennns 19 6 Error COG CS eme A E aires E an chino E dua de oamavieniecamanlt es 20 Intesis Software S L All rights reserved URL http www intesis com 3 23 This information is subject to change without notice ntesi ISg amp Email info intesis com IntesisBox is a registered trademark of Intesis Software SL tel 34 938047134 IntesisBox Modbus Toshiba Digital Inverter amp VRF lines User s Manual r2 0 eng g 1 Presentation IntesteBox g f y The TO RC MBS 1 interface allows a complete and natural integration of Toshiba air conditioners into Modbus RTU EIA485 networks The TO RC MBS 1 is compatible with the Toshiba Digital Inverter amp VRF lines e Reduced dimensions 93 x 53 x 58 mm e Quick and easy installation Mountable on DIN rail wall or even inside the indoor unit in some models of AC e External power not required e Direct connection to MODBUS RTU EIA485 networks TO RC MBS 1 is a Modbus slave device e Direct connection to the AC indoor unit e Configuration from both on board DIP switches and MODBUS RTU e Total Control and Supervision e Real states of the AC unit s internal variables e Allows using simultaneously the control panel and MODBUS RTU Modbus RTU EIA485 network _ sag Modbus RTU S master device TO RC MBS 1 U
27. ually used by the Toshiba indoor unit as reference of its own control loop Depending on the configuration of the indoor unit this can be the temperature reported by the sensor in in the return path of the Toshiba indoor unit or the sensor of an additional remote controller in the AB bus It is a read only register modbus functions 3 or 4 e AC unit external temperature reference R W register 23 in PLC addressing This register allows providing an external temperature reference from modbus side AB does not directly allow for devices like TO RC MBS 1 to directly provide a temperature to be used as reference of the control loop of the AC indoor unit In order to overcome that limitation and enable usage of an external temperature sensor i e in Modbus side TO RC MBS 1 applies following mechanism if and only if external reference temperature is being used o After a couple of values are entered in the AC unit external reference temperature register 23 and AC unit temperature setpoint register 5 TO RC MBS 1 will calculate the temperature demand they imply e g if a temperature setpoint register 5 of 22 C and an external temperature reference register 23 of 20 C are entered TO RC MBS 1 will assume that the user is demanding a 2 C increase in temperature o By knowing at all times the ambient temperature actually used by the indoor unit to control its own operation register 6 TO RC MBS 1 can
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